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//------------------------------------------------------------------------------
// GxB_Matrix_pack_BitmapC: pack a matrix in bitmap format, held by column
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_export.h"
GrB_Info GxB_Matrix_pack_BitmapC // pack a bitmap matrix, held by column
(
GrB_Matrix A, // matrix to create (type, nrows, ncols unchanged)
int8_t **Ab, // bitmap, Ab_size >= nrows*ncols
void **Ax, // values, Ax_size >= nrows*ncols * (type size)
// or Ax_size >= (type size), if iso is true
GrB_Index Ab_size, // size of Ab in bytes
GrB_Index Ax_size, // size of Ax in bytes
bool iso, // if true, A is iso
GrB_Index nvals, // # of entries in bitmap
const GrB_Descriptor desc
)
{
//--------------------------------------------------------------------------
// check inputs and get the descriptor
//--------------------------------------------------------------------------
GB_WHERE1 ("GxB_Matrix_pack_BitmapC (A, "
"&Ab, &Ax, Ab_size, Ax_size, iso, nvals, desc)") ;
GB_BURBLE_START ("GxB_Matrix_pack_BitmapC") ;
GB_RETURN_IF_NULL_OR_FAULTY (A) ;
GB_GET_DESCRIPTOR (info, desc, xx1, xx2, xx3, xx4, xx5, xx6, xx7) ;
GB_GET_DESCRIPTOR_IMPORT (desc, fast_import) ;
//--------------------------------------------------------------------------
// pack the matrix
//--------------------------------------------------------------------------
info = GB_import (true, &A, A->type, GB_NROWS (A), GB_NCOLS (A), false,
NULL, 0, // Ap
NULL, 0, // Ah
Ab, Ab_size, // Ab
NULL, 0, // Ai
Ax, Ax_size, // Ax
nvals, false, 0, // nvals for bitmap
GxB_BITMAP, true, // bitmap by col
iso, fast_import, true, Context) ;
GB_BURBLE_END ;
return (info) ;
}
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